Support stand



FIG. 1 is a side elevational view of a support stand showing my new design.

FIG. 2 is a top plan view thereof.

FIG. 3 is a bottom plan view thereof.

FIG. 4 is a cross-sectional view taken in the direction of the arrows along line 4--4 of FIG. 2.

FIG. 5 is an exploded perspective view thereof. 

The ornamental design for a support stand, as shown. 